linux-kernel - Re: [PATCH 4/4] raid6: Add severity levels to raid6 initialization messages

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Date:	Sat, 08 Mar 2014 20:14:33 +0100
From:	Paul Bolle <pebolle@...cali.nl>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	linux-kernel@...r.kernel.org, trivial@...nel.org,
	Chris Metcalf <cmetcalf@...era.com>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	Ken Steele <ken@...era.com>, Nicolas Pitre <nico@...aro.org>
Subject: Re: [PATCH 4/4] raid6: Add severity levels to raid6 initialization
 messages

On Sat, 2014-03-08 at 10:58 -0800, Andy Lutomirski wrote:
> Some of them are errors; some are not.  Annotate them accordingly.
> 
> Signed-off-by: Andy Lutomirski <luto@...capital.net>
> ---
>  lib/raid6/algos.c | 13 +++++++------
>  1 file changed, 7 insertions(+), 6 deletions(-)
> 
> diff --git a/lib/raid6/algos.c b/lib/raid6/algos.c
> [...]
> @@ -194,7 +195,7 @@ int __init raid6_select_algo(void)
>  	syndromes = (void *) __get_free_pages(GFP_KERNEL, 1);
>  
>  	if (!syndromes) {
> -		printk("raid6: Yikes!  No memory available.\n");
> +		printk(KERN_ERR "raid6: Yikes!  No memory available.\n");
>  		return -ENOMEM;
>  	}
>  

Does __get_free_pages() print and error (or similar) when it fails? If
so, this printk() could be dropped, couldn't it?


Paul Bolle

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